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efi_loader: completely initialize network

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Add missing network initialization code.

Before the patch the network was only usable if a network command like
dhcp or tftp had beed executed.

This was visible when interrupting the console countdown and executing
bootefi selftest for vexpress_ca15_tc2_defconfig.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2018-04-03 22:06:52 +02:00 • committed by Alexander Graf
parent 99b8db7291
commit 0c5d2a3dac
1 changed files with 34 additions and 2 deletions
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36
lib/efi_loader/efi_net.c
View file

@ -54,14 +54,46 @@ static efi_status_t EFIAPI efi_net_stop(struct efi_simple_network *this)
return EFI_EXIT(EFI_SUCCESS);
}
/*
* Initialize network adapter and allocate transmit and receive buffers.
*
* This function implements the Initialize service of the
* EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
* (UEFI) specification for details.
*
* @this: pointer to the protocol instance
* @extra_rx: extra receive buffer to be allocated
* @extra_tx: extra transmit buffer to be allocated
* @return: status code
*/
static efi_status_t EFIAPI efi_net_initialize(struct efi_simple_network *this,
ulong extra_rx, ulong extra_tx)
{
int ret;
efi_status_t r = EFI_SUCCESS;
EFI_ENTRY("%p, %lx, %lx", this, extra_rx, extra_tx);
eth_init();
if (!this) {
r = EFI_INVALID_PARAMETER;
goto error;
}
return EFI_EXIT(EFI_SUCCESS);
/* Setup packet buffers */
net_init();
/* Disable hardware and put it into the reset state */
eth_halt();
/* Set current device according to environment variables */
eth_set_current();
/* Get hardware ready for send and receive operations */
ret = eth_init();
if (ret < 0) {
eth_halt();
r = EFI_DEVICE_ERROR;
}
error:
return EFI_EXIT(r);
}
static efi_status_t EFIAPI efi_net_reset(struct efi_simple_network *this,